View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.orchestra.conversation;
20  
21  /**
22   * A conversation aspect which allows the conversation to automatically end after
23   * a given period of inactivity.
24   */
25  public class ConversationTimeoutableAspect extends ConversationAspect
26  {
27      // Number of milliseconds
28      private long timeout = -1;
29  
30      public ConversationTimeoutableAspect(Conversation conversation)
31      {
32          super(conversation);
33      }
34  
35      /**
36       * Get the timeout in msecs after which this conversation will be invalidated.
37       *
38       * @see #setTimeout
39       */
40      public long getTimeout()
41      {
42          return timeout;
43      }
44  
45      /**
46       * Set the timeout in msecs after which this conversation will be invalidated.
47       * <p>
48       * A value of -1 means no timeout checking.
49       */
50      public void setTimeout(long timeout)
51      {
52          this.timeout = timeout;
53      }
54  
55      /**
56       * Check if this conversation reached the timeout period.
57       */
58      public boolean isTimeoutReached()
59      {
60          return getTimeout() > -1 && (getConversation().getLastAccess() + getTimeout() < System.currentTimeMillis());
61      }
62  }